National Geologic Map Database
Product Description Page
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Title: Geology of Peoria County; McDonough County; Monroe County; Macoupin County; Sangamon County
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Author(s): Worthen, A.H.
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Publishing Organization: Illinois State Geological Survey
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Series and Number: Economic Geology v. 5 [p. 235-319]
- Publication Date: 1873
- Cross Section: None
- North Latitude: 39° 58' 36" N (39.9767)
- South Latitude: 38° 59' 54" N (38.9983)
- East Longitude: 89° 13' 3" W (-89.2175)
- West Longitude: 90° 9' 13" W (-90.1536)
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